Min, Ji Hye
Kang, Tae Wook
Kim, Young Kon
Kim, Seong Hyun
Shin, Kyung Sook
Lee, Jeong Eun
Ha, Sang Yun
Sohn, Insuk
Article History
Received: 22 June 2017
Revised: 7 November 2017
Accepted: 6 December 2017
First Online: 24 January 2018
Compliance with ethical standards
:
: The scientific guarantor of this publication is Won Jae Lee.
: The authors of this manuscript declare no relationships with any companies whose products or services may be related to the subject matter of the article.
: One of the authors (Insuk Sohn) has significant statistical expertise.
: Written informed consent was waived by the Institutional Review Board.
: Institutional Review Board approval was obtained.
: • Retrospective• Case-control• Performed at one institution